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South Labrador Sea

Warnings

Forecast

Marine Forecast

Issued 04:00 PM NDT 18 March 2025

Tonight and Wednesday.

Wind northwest 25 knots diminishing to northwest 15 to 20 late overnight then backing to west 15 Wednesday morning. Wind backing to southwest 20 Wednesday afternoon.

Freezing spray warning in effect.

Over open water freezing spray ending Wednesday morning. Freezing spray beginning Wednesday afternoon.

Temperatures minus 10 to minus 2.

Waves

Issued 06:00 PM NDT 18 March 2025
Tonight and Wednesday. Outside the ice edge seas 2 to 3 metres subsiding to 1 to 2 near noon Wednesday.

Extended Forecast

Issued 04:00 PM NDT 18 March 2025
Thursday Wind southwest 20 knots.
Friday Wind south 15 to 20 knots increasing to south 25.
Saturday Wind north 25 knots.

Ice Forecast

Issued 10:00 AM EDT 18 March 2025 Today Tonight and Wednesday 1 tenth first-year ice including a trace of old ice except 6 tenths first-year ice including a trace of old ice in the western section. 

[ Canadian Ice Service ]

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Map of Arctic - Eastern Arctic marine weather areas Baker Lake Airport Chesterfield Inlet Airport Coral Harbour Airport Gjoa Haven Airport Kugaaruk Airport Rankin Inlet Airport Shepherd Bay Airport Whale Cove Airport Arctic Bay Brevoort Island Qikiqtarjuaq Airport Kinngait (Cape Dorset Airport) Cape Dyer Cape Hooper Cape Liverpool Clyde River Airport Cape Mercy Fort Ross Grise Fiord Airport Sanirajak (Hall Beach Airport) Igloolik Airport Iqaluit Airport Kimmirut Airport Longstaff Bluff Pangnirtung Airport Pond Inlet Airport Naujaat Resolute Airport Rowley Island Airport Taloyoak Airport Wager Bay Akulivik Airport Ivujivik Airport Puvirnituq Airport Aupaluk Airport Kangiqsujuaq Airport Kangirsuk Airport Kangiqsualujjuaq Airport Quaqtaq Airport Salluit Airport Tasiujaq Airport Cape Kakkiviak Cape Kiglapait Nain Airport Saglek
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 18 March 2025 Today Tonight and Wednesday

Ice Edge

Ice edge estimated from Newfoundland near 4652N 5523W to 4611N 5239W
to 5146N 4819W to 5516N 5105W to 5716N 5618W to 6200N 5831W then
northeastward. Sea ice north then west of the ice edge.

Ice Coverage

1 tenth first-year ice including a trace of old ice except 6 tenths
first-year ice including a trace of old ice in the western section.

 

Iceberg Bulletin

Issued 3:35 PM EDT 18 March 2025

Iceberg Limit

Iceberg limit at 0000 UTC 19 Mar estimated from Newfoundland near
4643N 5307W to 4650N 4700W to 5100N 4620W to 5400N 4700W to 5900N
5620W to 6020N 5530W to 5715N 4235W then eastwards.

Western iceberg limit at 0000 UTC 19 Mar estimated from Quebec near
5045N 5925W to Newfoundland near 4920N 5745W.

Iceberg Count

Unknown number of icebergs.
Warnings

Warnings (In effect)

Freezing spray warning in effect

South Labrador Sea

Issued 4:00 PM NDT 18 March 2025

Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 4:00 PM NDT 18 March 2025 Tonight and Wednesday At 4:00 p.m. NDT today trough located east of Labrador Sea.
By 9:30 a.m. NDT Wednesday departing trough located south of
Greenland.

At 4:00 p.m. NDT today high located over western Labrador.
By 4:00 p.m. NDT Wednesday high located over southeastern Labrador.

Marine Weather Statement

Issued 3:56 PM NDT 18 March 2025 A trough of low pressure just east of the Labrador Sea will continue
to slowly track eastward tonight and Wednesday. Strong to gale force
westerlies to northwesterlies in the wake of the trough will
gradually diminish through the forecast period as the trough departs.

Marine interests are advised that a gale warning is in effect for
East Labrador Sea.

Marine interests are also advised that freezing spray warnings are in
effect for the Labrador Sea.

Arctic - Eastern Arctic Area

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Marine Weather for Canada

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